Improve of ramie fiber reinforced epoxy resin composites via pre-impregnation of cellulose microcrystal/PA650
The present paper investigated the effect of cellulose microcrystal(CMC)and low molecular polyamide(PA650)on the mechanical and water absorption properties of ramie fiber reinforced epoxy composites.Resultes showed that coating mixiture of CMC and PA650(CMC/PA650)on the surface of ramie fiber improved the interfacial adhension strength of ramie fiber/epoxy composites.As a result,the flexural strength,flexural modulus and interlaminar shear strength of PA650/CMC coated ramie fabric reinforced epoxy composites(CPRFC)were 10.6%,8.1%and 7.4%higher than those of ramie fabric without coating reinforced epoxy composites(RFC).Additionally,saturated water weight gain of CPRFC reduced by 25.7%than that of RFC,it seems that a water resistant interphase exists in the CPRFC and it is more efficient at the early stage of water immersion.
Ramie fabric Polymer matrix composites(PMCs) Cellulose microcrystal Fibre/matrix bond
Kaomin Zhang Yan Zhao Xiang Dong Ruyan Li
Aviation college,Kunming University of Science and Technology,Kunming,650033,P.R.China;National Engi National Engineering Research Center of Waste Resource Recovery,Kunming University of Science and Te
国内会议
杭州
英文
147-158
2017-10-01（万方平台首次上网日期，不代表论文的发表时间）